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NEUROANATOMY<br />
Radial Nerve in Arm and Nerves of Posterior Shoulder<br />
Dorsal scapular nerve (C5)<br />
Posterior view<br />
Supraspinatus muscle<br />
Suprascapular nerve (C5, 6)<br />
Levator scapulae<br />
muscle (supplied<br />
also by branches<br />
from C3 and C4)<br />
Deltoid muscle<br />
Teres minor muscle<br />
Axillary nerve (C5, 6)<br />
Rhomboid<br />
minor muscle<br />
Rhomboid<br />
major muscle<br />
Superior lateral<br />
cutaneous nerve of arm<br />
Radial nerve<br />
(C5, 6, 7, 8, T1)<br />
Inconstant contribution<br />
Inferior lateral<br />
cutaneous nerve of arm<br />
Infraspinatus muscle<br />
Teres major muscle<br />
Lower subscapular nerve (C5, 6)<br />
Posterior cutaneous nerve of arm<br />
(branch of radial nerve in axilla)<br />
Triceps brachii muscle<br />
Long head<br />
Lateral head<br />
Medial head<br />
Posterior cutaneous<br />
nerve of forearm<br />
Lateral intermuscular<br />
septum<br />
Brachialis muscle (lateral<br />
part; remainder of muscle<br />
supplied by musculocutaneous<br />
nerve)<br />
Brachioradialis muscle<br />
Triceps brachii tendon<br />
Medial epicondyle<br />
Olecranon<br />
Anconeus muscle<br />
Extensor digitorum muscle<br />
Extensor carpi radialis<br />
longus muscle<br />
Extensor carpi<br />
radialis brevis<br />
muscle<br />
Extensor carpi ulnaris muscle<br />
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